CMT-8111

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Common mode chokes, also known as common mode filters, are electronic components used to reduce common mode conducted noise. They are mainly used in industrial control applications to provide immunity to system noise that can interfere with sensitive motors, electronic devices, variators, and switches. CMT-8111 is a three-phase common mode choke developed by AI-SUNCAT Industrial Corporation that can reduce the common mode noise produced by the system.

CMT-8111 is mainly used to reduce common mode and differential mode conducted noise levels in a three-phase line. It consists of three windings per phase with an internal common-mode inductance value of 8111nH, and an external differential-mode inductance of 123nH. The product also features low leakage inductance, high-temperature operation, low-noise operation, and an improved power rating which can support up to 56A.

The working principle of CMT-8111 is based on its interaction with the electric field of its environment. The common mode choke works as an insulator between the source and sink of the current and blocks the energy it has gathered from the electric field. This reduces both the common mode and differential mode noise generated in the three-phase power arrangement. This filter also limits the variations in other parameters such as the inductance and the capacitance.

CMT-8111 can be used in various applications, including those that require a reduction in system noise and efficient power conversion. In industrial motors, it can filter out the harmonics produced by the motor, thus reducing its vibration and noise. In motor controllers, the filter can reduce the common mode noise that can cause interference in the communication line. It is also suitable for controlling variable-speed drives, as it limits the voltage fluctuations that can lead to malfunctions. Furthermore, this filter can also improve the performance of a switch-mode power supply, preventing it from being affected by interference.

CMT-8111 has been designed to be reliable and efficient in reducing noise levels in high-frequency systems. It also requires minimal mounting space, making it ideal for use in applications where the space is limited. In addition, the wide operating temperature range of -55°C to +105°C ensures that it can function properly in any environment, whether it be indoors or outdoors.

In conclusion, CMT-8111 is an effective filter that can reduce common mode and differential mode conducted noise levels in a three-phase line. It features a high power rating, low leakage inductance, and an operating temperature range that can accommodate many different applications. Many industries, such as motor control, variable-speed drives, and switch-mode power supplies, can benefit from the use of the CMT-8111 common mode filter.

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